Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10677054 | Cutting bit assembly | Randy W. Arnold, James E. Folkerts, John R. Frederick, John Hallberg, David Meade +7 more | 2020-06-09 |
| 9415939 | Chain and flight conveyor | Randy W. Arnold, Michael L. O'Neill | 2016-08-16 |
| 8944201 | Enclosed cab system for mining equipment | Ronald K. Dickey, David P. Paich | 2015-02-03 |
| 6266596 | Method and apparatus for controlling a mobile machine during start-up | Darren A. Hartman, Kevin Huang, John J. Krone | 2001-07-24 |